Chandan Kr Choudhary

About Chandan Kr Choudhary

Professional BackgroundAccomplished Java Application Developer and Solution Designer with 11 years of experience in designing, developing, and deploying high-performance enterprise applications. Strong expertise in Java, Spring/Spring Boot, RESTful services, microservices architecture, and cloud-native solutions. Adept at end-to-end SDLC, from requirements analysis and system design to implementation, optimization, and production support. Recognized for delivering scalable, secure, and high-quality software solutions while collaborating effectively with cross-functional teams.Career HighlightsLed design and development of multiple large-scale enterprise applications using Java, Spring Boot, Hibernate/JPA, and modern architectural patterns.Played a key role in modernizing legacy monolithic systems into cloud-ready microservices, improving scalability and maintainability.Designed RESTful APIs and integration solutions supporting millions of transactions across distributed systems.Implemented CI/CD pipelines (Jenkins, GitLab CI, Azure DevOps) improving deployment reliability and reducing release times.Mentored junior developers and acted as a technical lead on critical projects, ensuring coding best practices and architectural consistency.Worked with AWS / Azure / GCP for deployment, monitoring, and automatic scaling of Java-based applications.Key AchievementsReduced system response time by 40–60% through performance tuning, caching strategies, and optimized database interactions.Successfully delivered 20+ enterprise-level modules or applications within deadlines and quality standards.Introduced automated testing frameworks (JUnit, Mockito, Selenium) increasing test coverage and lowering defect rates.Recognized for excellence in problem solving, production issue resolution, and customer-focused delivery.CORE SKILLSLanguages & Frameworks: Java (7, 8, 11, 17, 21), J2EE, Spring Boot, Quarkus, Spring MVC, Spring Cloud, Spring Data JPA, Hibernate, RESTful APIsMicroservices & Integration: Kafka, Resilience4j, Circuit Breaker, Retry, Fallback, REST, APIGEE, OpenAPI (Swagger)Cloud & Containerization: AWS (EC2, S3, ECS, CloudWatch, Route 53, IAM, VPC), Docker, KubernetesCaching & Data: Redis, IBM DB2, PostgreSQL, Oracle, MySQL, MongoDBBuild & DevOps Tools: Maven, Gradle, Jenkins, Git, Jira, Splunk, SonarQubeTesting & Quality: JUnit, Mockito, Postman, Performance Tuning, Logging (log4j, slf4j)Architecture: Monolithic to Microservices Migration, Event-driven Design, Distributed Caching, Fault Tolerance, Hexagonal & MVC design patterns

Experience

1. Sr AVP

   Wells Fargo

   Nov 2023 — Present · IN

Education

• Haldia Institute of Technology

  Master of Computer Applications (MCA), Computer Applications

  2010 — 2013